Convert Centigram to Pennyweight
Convert centigrams to pennyweights instantly. 1 centigram = 0.0064301495 pennyweight — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Pennyweight to Centigram converter for the reverse conversion.
Units explained
Centigram
A centigram (cg) equals 0.00001 kilogram, or 0.01 gram.
From the SI prefix 'centi-' (from Latin 'centum', hundred).
Used in pharmacology and analytical chemistry.
Part of the original metric system of 1795.
Pennyweight
The pennyweight (dwt) equals one-twentieth of a troy ounce, 24 grains (about 1.555 g).
From the mass of a medieval English silver penny; symbol dwt from 'denarius weight'.
Jewelry making and precious-metal scrap valuation in the US.
Derived from the medieval English coinage system.
Centigram to Pennyweight conversion formula
The relationship between centigrams and pennyweights:
To convert centigrams to pennyweights, multiply the value in centigrams by 0.0064301495. To reverse, multiply pennyweights by 155.51738.
How to use this converter
Type a value into the calculator. The result in pennyweights updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Pennyweight to Centigram converter for the reverse direction.
Step-by-step: convert centigrams to pennyweights
- Write down the value in centigrams (cg).
- Multiply that value by the factor 0.0064301495.
- The product is the equivalent value in pennyweights (dwt).
- To reverse, multiply the pennyweight value by 155.51738.
Worked examples
Example 1 — Convert 1 cg to dwt:
1 × 0.0064301495 = 0.0064301495 dwt
Example 2 — Convert 100 cg to dwt:
100 × 0.0064301495 = 0.6430149479 dwt
Real-world example — Packaging gauge
A 4-centigram plastic bag thickness is a common spec for grocery and freezer bags. Converting from centigrams to pennyweights is what packaging buyers do whenever they bridge US and metric supplier quotes.
4 cg × 0.0064301495 = 0.0257205979 dwt
Real-world example — Plastic film and laminate thickness
A 500-centigram sheet is a typical spec for ID-card laminates and film overlays. Converting to pennyweights aligns the value with the unit most CAD systems and material datasheets prefer.
500 cg × 0.0064301495 = 3.2150747396 dwt
Centigram to Pennyweight conversion table
Standard reference values for converting centigrams to pennyweights:
| Centigram [cg] | Pennyweight [dwt] |
|---|---|
| 0.01 | 6.430149e-5 |
| 0.1 | 0.0006430149 |
| 1 | 0.0064301495 |
| 2 | 0.012860299 |
| 3 | 0.0192904484 |
| 4 | 0.0257205979 |
| 5 | 0.0321507474 |
| 10 | 0.0643014948 |
| 20 | 0.1286029896 |
| 30 | 0.1929044844 |
| 40 | 0.2572059792 |
| 50 | 0.321507474 |
| 100 | 0.6430149479 |
| 500 | 3.2150747396 |
| 1000 | 6.4301494791 |
Frequently asked questions
How many pennyweights is 1 centigram?
How do I convert centigrams to pennyweights?
How do I convert pennyweights back to centigrams?
How many pennyweights is 100 centigrams?
Popular weight unit conversions
Convert Centigram to other weight units
Show all Centigram conversions
Metric / SI (17 units)
Avoirdupois (15 units)
Troy & Apothecary (10 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Sources & references
Conversion factor (1 cg = 0.0064301495 dwt) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.